Sure looks like it. Sanders was on the top of the heap in the Democratic presidential race ... right until he made remarks praising Fidel Castro on 60 Minutes, At that point, Democrats started consolidating like little tin soldiers behind Joe Foreign Policy Whiz KidBiden
...The former Senator-for-Life from Delaware, an example of the kind of top-notch Washington intellect to be found in the World's Greatest Deliberative Body...
, the South Carolina primary gave Biden a solid win, and the Sanders bubble seems to have popped. But the slide downward seems to have been initiated when Florida's Latinos, many of them refugees from socialist hellholes such as Cuba, as well as Cuba's satellites such as Nicaragua and Venezuela